一个闭合线圈中没有感应电流产生,由此可以得出( ) A.此时此地一定没有磁场 B

题型:选择题

问题:

一个闭合线圈中没有感应电流产生,由此可以得出(  )

A.此时此地一定没有磁场

B.此时此地一定没有磁场的变化

C.线圈一定没有切割磁感线

D.穿过线圈平面的磁通量一定没有变化

考点:法拉第电磁感应定律
题型:选择题

A woman is at the cinema, and she is enjoying the film very much, but there is a man in the next seat(座位), and he begins looking at the floor under her. The woman is angry and asks, “What are you doing there?” What are you looking for?

“A piece of chocolate”, the man says to her, “I drop (掉落) it on the floor.”

“A piece of chocolate?” the woman says angrily, “It is dirty now.” Take this and be quiet, please. I am listening to the film.” She gives the man a big piece of chocolate. But the man says, “One of my teeth is in the chocolate!”

小题1:The man and the woman are____________.

A.They are in a school

B.They are at a supermarket

C.They are in a shop

D.They are at the cinema小题2:The man sits ___________the woman.

A.next to

B.in front of

C.behind

D.on the left of小题3:The underlined word “angry” means(意思)_________

A.not sad

B.not bright

C.not happy

D.not interesting小题4:The man wants to find the piece of chocolate because _______

A.the piece of chocolate is very expensive(贵)

B.one of his teeth is in the chocolate

C.he likes chocolate very much

D.he wants to make the cinema clean小题5:The woman gives the man a piece of chocolate because________.

A.she is friendly to him

B.she wants to enjoys the film better

C.the piece of chocolate is the man’s

D.she likes the man

题型:选择题

修一条公路,已经修了84.5米,比剩下的多3.5米,剩下的5天修完,平均每天修多少米?

题型:选择题

医疗机构从业人员行为规范适用人员包括()

A.管理人员

B.医护人员

C.药学技术人员与医技人员

D.其他人员

E.以上都是

题型:选择题

下列关于马克思主义诞生的伟大历史意义的表述,不正确的是()

A.推动了国际工人运动的联合

B.推动了社会主义运动的蓬勃发展

C.为空想社会主义提供了理论指导

D.无产阶级革命斗争有了科学理论的指导

题型:选择题

()短路,不仅易造成传感器的损坏,而且有时会直接损坏信号接口面板和数据采集系统上的部分模块。

A、电源

B、信号线

C、计算机插板

D、气测仪内部

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